Radiometer Works With Sunshine

Who didn't have a Radiometer as a kid? We did, but never really new how it worked. It seems the vanes inside transfer heat from the sun to each other. The lighter vanes reflect the rays and the darker ones absorb them. The more sun there is, the faster the vanes move.
Via Radiometer
Read More in: Solar Science | Solar Toys
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Posted by Sheila Franklin at March 3, 2010 9:15 AM